- unitid
-
{"value"=>"3258743", "type"=>"local_mss"}
{"value"=>"225499", "type"=>"local_mss_av"}
{"value"=>"247", "type"=>"local_call"}
- unitdate
-
{"value"=>"1974 February", "type"=>"inclusive", "normal"=>"1974-02"}
- unittitle
-
{"value"=>"Versions 1 and 2"}
- physdesc
-
{"format"=>"structured", "physdesc_components"=>[{"name"=>"extent", "value"=>"1 audio recording", "unit"=>"audio_recordings"}]}
- date_start
-
1974-02
- keydate
-
1974-02
- date_end
-
1974-02
- date_inclusive_start
-
1974
- date_inclusive_end
-
1974